| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.tinkerpop.gremlin.process.traversal.traverser.util; |
| |
| import org.apache.tinkerpop.gremlin.process.traversal.Traverser; |
| import org.apache.tinkerpop.gremlin.process.traversal.traverser.B_O_Traverser; |
| import org.apache.tinkerpop.gremlin.util.iterator.IteratorUtils; |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.Comparator; |
| import java.util.List; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.IsNull.nullValue; |
| import static org.hamcrest.core.Is.is; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| |
| /** |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| public class IndexedTraverserSetTest { |
| @Test |
| public void shouldIndexTraversers() { |
| final IndexedTraverserSet<String, String> ts = makeTraverserSet(); |
| |
| final List<Traverser.Admin<String>> testTraversers = new ArrayList<>(ts.get("test")); |
| assertEquals(1, testTraversers.size()); |
| assertEquals(10, testTraversers.get(0).bulk()); |
| |
| final List<Traverser.Admin<String>> nopeTraversers = new ArrayList<>(ts.get("nope")); |
| assertEquals(1, nopeTraversers.size()); |
| assertEquals(1, nopeTraversers.get(0).bulk()); |
| } |
| |
| @Test |
| public void shouldClear() { |
| final IndexedTraverserSet<String,String> ts = new IndexedTraverserSet<>(x -> x); |
| ts.add(makeTraverser("test", 1)); |
| |
| final List<Traverser.Admin<String>> testTraversers = new ArrayList<>(ts.get("test")); |
| assertEquals(1, testTraversers.size()); |
| assertEquals(1, testTraversers.get(0).bulk()); |
| |
| ts.clear(); |
| |
| assertThat(ts.get("test"), nullValue()); |
| assertThat(ts.isEmpty(), is(true)); |
| } |
| |
| @Test |
| public void shouldRemove() { |
| final IndexedTraverserSet<String, String> ts = makeTraverserSet(); |
| |
| final List<Traverser.Admin<String>> testTraversers = new ArrayList<>(ts.get("test")); |
| assertEquals(1, testTraversers.size()); |
| assertEquals(10, testTraversers.get(0).bulk()); |
| |
| ts.remove(); |
| |
| assertThat(ts.get("test"), nullValue()); |
| |
| final List<Traverser.Admin<String>> nopeTraversers = new ArrayList<>(ts.get("nope")); |
| assertEquals(1, nopeTraversers.size()); |
| assertEquals(1, nopeTraversers.get(0).bulk()); |
| } |
| |
| @Test |
| public void shouldRemoveSpecific() { |
| final IndexedTraverserSet<String, String> ts = makeTraverserSet(); |
| |
| final List<Traverser.Admin<String>> testTraversers = new ArrayList<>(ts.get("test")); |
| assertEquals(1, testTraversers.size()); |
| assertEquals(10, testTraversers.get(0).bulk()); |
| |
| ts.remove(makeTraverser("test", 1)); |
| |
| assertThat(ts.get("test"), nullValue()); |
| |
| final List<Traverser.Admin<String>> nopeTraversers = new ArrayList<>(ts.get("nope")); |
| assertEquals(1, nopeTraversers.size()); |
| assertEquals(1, nopeTraversers.get(0).bulk()); |
| } |
| |
| @Test |
| public void shouldMaintainIndexOfTraversersAfterShuffle() { |
| final IndexedTraverserSet<String, String> ts = makeOtherTraverserSet(); |
| |
| final List<Traverser.Admin<String>> testTraversers = new ArrayList<>(ts.get("test")); |
| assertEquals(1, testTraversers.size()); |
| assertEquals(4, testTraversers.get(0).bulk()); |
| |
| final List<Traverser.Admin<String>> nopeTraversers = new ArrayList<>(ts.get("nope")); |
| assertEquals(1, nopeTraversers.size()); |
| assertEquals(1, nopeTraversers.get(0).bulk()); |
| |
| ts.shuffle(); |
| |
| final List<Traverser.Admin<String>> testTraversersAfterShuffle = new ArrayList<>(ts.get("test")); |
| assertEquals(1, testTraversersAfterShuffle.size()); |
| assertEquals(4, testTraversersAfterShuffle.get(0).bulk()); |
| |
| final List<Traverser.Admin<String>> nopeTraversersAfterShuffle = new ArrayList<>(ts.get("nope")); |
| assertEquals(1, nopeTraversersAfterShuffle.size()); |
| assertEquals(1, nopeTraversersAfterShuffle.get(0).bulk()); |
| } |
| |
| @Test |
| public void shouldMaintainIndexOfTraversersAfterSort() { |
| final IndexedTraverserSet<String, String> ts = makeOtherTraverserSet(); |
| |
| final List<Traverser.Admin<String>> testTraversers = new ArrayList<>(ts.get("test")); |
| assertEquals(1, testTraversers.size()); |
| assertEquals(4, testTraversers.get(0).bulk()); |
| |
| final List<Traverser.Admin<String>> nopeTraversers = new ArrayList<>(ts.get("nope")); |
| assertEquals(1, nopeTraversers.size()); |
| assertEquals(1, nopeTraversers.get(0).bulk()); |
| |
| final List<Traverser<String>> traversersBefore = IteratorUtils.asList(ts.iterator()); |
| |
| ts.sort(Comparator.comparing(Traverser::get)); |
| |
| final List<Traverser<String>> traversersAfter = IteratorUtils.asList(ts.iterator()); |
| |
| final List<Traverser.Admin<String>> testTraversersAfterSort = new ArrayList<>(ts.get("test")); |
| assertEquals(1, testTraversersAfterSort.size()); |
| assertEquals(4, testTraversersAfterSort.get(0).bulk()); |
| |
| final List<Traverser.Admin<String>> nopeTraversersAfterSort = new ArrayList<>(ts.get("nope")); |
| assertEquals(1, nopeTraversersAfterSort.size()); |
| assertEquals(1, nopeTraversersAfterSort.get(0).bulk()); |
| |
| assertNotEquals(traversersBefore, traversersAfter); |
| } |
| |
| private IndexedTraverserSet<String, String> makeTraverserSet() { |
| final IndexedTraverserSet<String,String> ts = new IndexedTraverserSet<>(x -> x); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("nope", 1)); |
| return ts; |
| } |
| |
| private IndexedTraverserSet<String, String> makeOtherTraverserSet() { |
| final IndexedTraverserSet<String,String> ts = new IndexedTraverserSet<>(x -> x); |
| ts.add(makeTraverser("testf", 1)); |
| ts.add(makeTraverser("teste", 1)); |
| ts.add(makeTraverser("testd", 1)); |
| ts.add(makeTraverser("testc", 1)); |
| ts.add(makeTraverser("testa", 1)); |
| ts.add(makeTraverser("testb", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("test", 1)); |
| ts.add(makeTraverser("nope", 1)); |
| return ts; |
| } |
| |
| private <T> Traverser.Admin<T> makeTraverser(final T val, final long bulk) { |
| return new B_O_Traverser<>(val, bulk).asAdmin(); |
| } |
| } |